Question 1593
{"accessible":true,"alternatives":[{"id":7933,"text":"acute necrotic collection"},{"id":7934,"text":"acute peripancreatic fluid collection"},{"id":7935,"text":"phlegmon"},{"id":7936,"text":"pseudocyst"},{"id":7937,"text":"walled-off necrosis"}],"archived":false,"correctAlternativeId":7937,"explanation":"\u003cp\u003eThere is an enhancing margin to the peripancreatic collection, which contains heterogeneous material within, including some lipid density. This is consistent with a collection due to necrotizing pancreatitis, with\u0026nbsp;longer than 4 weeks since the onset, and the correct term is \u003cstrong\u003ewalled-off necrosis\u003c/strong\u003e. Prior to 4 weeks, there is usually not enhancing margin and the correct term is acute necrotic collection.\u0026nbsp;\u003c/p\u003e\u003cp\u003eWith interstitial edematous pancreatitis, the fluid collections are homogeneous and are termed acute peripancreatic fluid collection and pseudocyst before and after 4 weeks respectively.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThe term phlegmon has been abandoned in the Revised Atlanta Classification.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e","id":1593,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/390/journey-through-necrotising-pancreatitis_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":56108},"imageAttributionCaseInfo":{"title":"Journey through necrotizing pancreatitis","contributor_name":"Vikas Shah","contributor_param":"vikasshah","case_rid":56108,"case_param":"journey-through-necrotising-pancreatitis"},"firstQuestionPath":"/questions/1593","nextQuestionPath":"/articles/acute-peripancreatic-fluid-collection/questions/1338","relatedArticles":[{"id":6939,"title":"Pseudocyst","link":"/articles/pseudocyst?lang=us"},{"id":34733,"title":"Walled-off pancreatic necrosis","link":"/articles/walled-off-pancreatic-necrosis-1?lang=us"},{"id":35482,"title":"Acute necrotic collection","link":"/articles/acute-necrotic-collection?lang=us"},{"id":28902,"title":"Revised Atlanta classification of acute pancreatitis","link":"/articles/revised-atlanta-classification-of-acute-pancreatitis-2?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat is the correct term for this peripancreatic collection?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/1593"}],"attemptsPercentages":[{"alternativeId":"7936","percentage":9},{"alternativeId":"7937","percentage":32},{"alternativeId":"7935","percentage":3},{"alternativeId":"7933","percentage":35},{"alternativeId":"7934","percentage":21}],"promptToLogin":false,"questionManager":false,"articleId":"acute-peripancreatic-fluid-collection"}